See Also: Ewing's sign(medicine)
condenser, dark field(medicine)
dark field illumination(medicine)
dark field microscopy(medicine)
dark field imaging(medicine)
dark-field microscope(medicine)
dark field objective(medicine)
dark field slides(medicine)
dark-field condenser(medicine)
dark field stop(medicine)

dark-field microscope (medicine) and Ewing's sign (medicine)


dark-field microscope (medicine)


dark-field microscope
<instrument> A microscope that has a special condenser and objective with a diaphragm or stop that scatters light from the object observed, with the result that the object appears bright on a dark background.


Ewing's sign (medicine)


Ewing's sign
<clinical sign> Dullness on percussion to the inner side of the angle of the left scapula, denoting an accumulation of fluid in the pericardium behind the heart, tenderness at the upper inner angle of the orbit at the point of attachment of the pulley of the superior oblique muscle, denoting closure of the outlet of the frontal sinus.